[INFO] fetching crate tidy-tree 0.1.0... [INFO] testing tidy-tree-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate tidy-tree 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate tidy-tree 0.1.0 [INFO] finished tweaking crates.io crate tidy-tree 0.1.0 [INFO] tweaked toml for crates.io crate tidy-tree 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tidy-tree 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding tinyset v0.4.16 (available: v0.5.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinyset v0.4.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01eafa15a962d9b65760f7a8cc173e7acd0e8526a1ac981bc8377a89fb3a4794 [INFO] running `Command { std: "docker" "start" "-a" "01eafa15a962d9b65760f7a8cc173e7acd0e8526a1ac981bc8377a89fb3a4794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01eafa15a962d9b65760f7a8cc173e7acd0e8526a1ac981bc8377a89fb3a4794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01eafa15a962d9b65760f7a8cc173e7acd0e8526a1ac981bc8377a89fb3a4794", kill_on_drop: false }` [INFO] [stdout] 01eafa15a962d9b65760f7a8cc173e7acd0e8526a1ac981bc8377a89fb3a4794 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 673e80814708e1662665b5548bf45396741002c79d1c20a66334d3b8cca60143 [INFO] running `Command { std: "docker" "start" "-a" "673e80814708e1662665b5548bf45396741002c79d1c20a66334d3b8cca60143", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling tinyset v0.4.16 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling tidy-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/iter.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s [INFO] running `Command { std: "docker" "inspect" "673e80814708e1662665b5548bf45396741002c79d1c20a66334d3b8cca60143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "673e80814708e1662665b5548bf45396741002c79d1c20a66334d3b8cca60143", kill_on_drop: false }` [INFO] [stdout] 673e80814708e1662665b5548bf45396741002c79d1c20a66334d3b8cca60143 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 008089916e0f822ac037aa32ef814e06ee87c79246b3b0a230bac50192ae7b3d [INFO] running `Command { std: "docker" "start" "-a" "008089916e0f822ac037aa32ef814e06ee87c79246b3b0a230bac50192ae7b3d", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/iter.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tidy-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> tests/layout_bench.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `prepare_tree` is never used [INFO] [stdout] --> tests/gen.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn prepare_tree(rng: &mut StdRng) -> (Box, Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `insert_new_to_tree` is never used [INFO] [stdout] --> tests/gen.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn insert_new_to_tree(rng: &mut StdRng, num: usize, nodes: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/iter.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ---- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 24 | pub fn iter(&self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tidy-tree` (test "layout_bench") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "008089916e0f822ac037aa32ef814e06ee87c79246b3b0a230bac50192ae7b3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "008089916e0f822ac037aa32ef814e06ee87c79246b3b0a230bac50192ae7b3d", kill_on_drop: false }` [INFO] [stdout] 008089916e0f822ac037aa32ef814e06ee87c79246b3b0a230bac50192ae7b3d